Monovision and driving

Discussion in 'Eye-Care' started by Peter, Nov 30, 2004.

  1. Peter

    Peter Guest

    Hi all,

    Does anyone know if monovision hampers driving? I have dyplopia, and I
    have to patch one eye, thus creating monovision. However, I find it
    difficult judjing distances and parking EXACTLY by the curb seems to
    me an impossible task.

    Any opinions? I guess I can get a driving license, probably there is
    no legal limitation, but would I feel comfortable driving??

    Thanx in advance for your replies,

    Peter, Nov 30, 2004
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  2. Peter

    LarryDoc Guest

    I seems like you answered your own question.

    In the USA, states regulate driving requirements and some would indeed
    restrict driving for similarly visually impaired persons. (The
    following is based on USA "right side road" driving) From a practical
    viewpoint, if it is your left eye that is non-seeing, you would not be
    able to see objects in your left side-view mirror. You could, of course,
    turn your whole head and use the right eye, or turn the other way and
    look out the back. Either way, there is indeed a safety issue as:

    1. you lack stereoscopic depth perception
    2. your reaction time is decreased by the time it takes you to turn, see
    and react, during which time you are not seeing straight ahead.

    Then, of course, there is the issue of "legal limitation" enforced by
    the state and "moral and ethical" limitation based on your personal
    experience and concerns.

    How about fixing the diplopia?

    Meanwhile, if you're a really good attentive driver, you are probable
    less of a risk than the moron who nearly hit me this morning on my way
    to work on my bicycle. She was quite busy talking on her cell phone and
    not paying attention to the stop sign or crosswalk or ME, wearing a
    bright red helmet and yellow safety vest.

    --LB, OD
    LarryDoc, Nov 30, 2004
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  3. Peter

    Dom Guest

    Peter -- Where I live, the rule is that you shouldn't drive for three months
    following a switch from binocular to monocular vision. This is to allow time
    to adapt to judging depth and distances, and to get used to turning your
    head to see all around you. Once you are used to compensating for it,
    driving with monocular vision should not be a problem - plenty of people do
    it all the time. In my opinion the depth judgement is not the hardest part
    of it, but learning to look around (turn your head etc) to eliminate "blind

    Of course if you don't feel comfortable, don't drive!

    Dom, Dec 1, 2004
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